FSSECONDARYGROUPS sounds good.
Brian
Bas van der Vlies wrote:
>> On Apr 24, 2008, at 11:19 PM, Brian Christiansen wrote:
>>> We have the patch implemented but haven't checked it in yet. Before
>> checking it in, can you provide a patch that turns on the FS groups
>> behavior with a parameter rather than having it be the default behavior?
>>>> Brian,
>> My first thought was also to define a parameter to enable it.
> After that i realized that a user can only have a fair share for one
> group. If cluster resources want it a parameter for it i can create
> it, What should be the name of the parameter?
>> FSSECONDARYGROUPS TRUE
>>>> Douglas Wightman wrote:
>>>>>> ------------------------------------------------------------------------
>>>>>>>>> Subject:
>>> Re: [Mauiusers] Maui/Torque and Fairshare with secondary Unix groups
>>> From:
>>> Bas van der Vlies <basv at sara.nl>
>>> Date:
>>> Mon, 7 Jan 2008 16:55:59 +0100
>>> To:
>>> "mauiusers at supercluster.org" <mauiusers at supercluster.org>
>>>>>> To:
>>> "mauiusers at supercluster.org" <mauiusers at supercluster.org>
>>>>>>>>> I have made a patch for maui version:
>>> - 3.2.6p20-snap.1182974819
>>>>>> The patch is different then that what i suggested. It does not make
>>> use of the getgrouplist function nor it uses the FSGROUPS keyword.
>>> When the configuration file is parsed. We know the FairShare groups.
>>> When a user submits a job maui will now find out if it is a member of
>>> one of this groups. If yes then set the group credentials to this
>>> group and it will ignore then the PBS egroup variable.
>>>>>> Maui did not parse the PBS group_list parameter:
>>> qsub -W group_list=<value>
>>>>>> This variable has the highest priority and will set the group
>>> credential to the value specified. We at SARA want to ignore this
>>> parameter, because we do not want an user to specify its own group and
>>> bypass the FairShare targets. So we added an option to ignore this
>>> parameter:
>>> - IGNPBSGROUPLIST TRUE
>>>>>> This patch also fix some debug problems that i had when the debug
>>> level is set to another value then the default one, eg:
>>> - LOGLEVEL 9
>>>>>> Maui has a lot of keywords and the parsing of the keywords are only be
>>> shown if a certain loglevel is set. Somebody thought it is nice that
>>> the maui keyword table is sorted alphabetically. This is not correct
>>> because now only the keywords after the LOG... definitions are shown.
>>> This patch moves the LOG.. keywords definition to the beginning of
>>> keyword table and fix this problem.
>>>>>> patch is attached
>>>>>> regards,
>>>>>>>>> Bas van der Vlies wrote:
>>>> Happy new year everyone,
>>>>>>>> I had some time to examine the source of maui and found two ways to
>>>> implement this functionality in maui. So we are not depended anymore
>>>> on the user primary group for Fairshare or specifying some
>>>> commandline parameters for qsub.
>>>>>>>> Here are the two solutions:
>>>> 1) Introduce a new parameter: FSGROUPS, eg:
>>>> FSGROUPS one two three
>>>>>>>> When a job is submitted:
>>>> a) check if the user is a member of one of this groups
>>>> b) if yes then set the credentials to the matching group.
>>>>>>>> 2) When a job is submitted:
>>>> a) get all the groups where the user is a member of with the
>>>> "getgrouplist" function. I do not know if this function is available
>>>> on all platforms.
>>>> b) Then check if for one of the user groups a fairshare target is
>>>> set
>>>> c) if yes then set the credentials to this group.
>>>>>>>>>>>> Option 2 has more freedom but i do not know if all OS'es support the
>>>> getgrouplist function.
>>>>>>>> I want to know which solution the community thinks is the best one?
>>>>>>>> Regards
>>>>>>>> On Dec 10, 2007, at 3:05 PM, Bas van der Vlies wrote:
>>>>>>>>> In our old setup the primary user group was the same as the
>>>>> fairshare group
>>>>> in Maui. so we did not have any problems with the Fairshare (FS)
>>>>> setup.
>>>>>>>>>> We are now switching to a new User administration system and use
>>>>> the Linux
>>>>> setup. Every user has as primary group his own group (user: bas,
>>>>> group: bas).
>>>>>>>>>> I have read some docs and the problem is that torque only sent the
>>>>> primary
>>>>> group to Maui. There are several setup's possible:
>>>>> * write a torque submit filter that adds -W or -A, But to my
>>>>> knowledge
>>>>> the submit filter does not work for batch jobs that are submitted
>>>>> via qsub -I
>>>>>>>>>> * In maui:
>>>>> USERCFG[bas] QDEF=SARA
>>>>> QOSCFG[SARA] FSTARGET=80.0
>>>>> But this is not very scalable. Every time a new user is added we
>>>>> have to
>>>>> restart Maui and generate a line as above.
>>>>>>>>>> * Are there other solutions possible?
>>>>>>>>>> What i am thinking about is to patch Maui, like the way Torque has
>>>>> done it
>>>>> with the acl_group_sloppy paramter or patch Torque to send also the
>>>>> secondary groups of user.
>>>>>>>>>> regards,
>>>>>>>>>>>>>>> --
>>>>> ********************************************************************
>>>>> * *
>>>>> * Bas van der Vlies e-mail: basv at sara.nl *
>>>>> * SARA - Academic Computing Services phone: +31 20 592 8012 *
>>>>> * Kruislaan 415 fax: +31 20 6683167 *
>>>>> * 1098 SJ Amsterdam *
>>>>> * *
>>>>> ********************************************************************
>>>>> _______________________________________________
>>>>> mauiusers mailing list
>>>>>mauiusers at supercluster.org>>>>>http://www.supercluster.org/mailman/listinfo/mauiusers>>>>>>>> --
>>>> Bas van der Vlies
>>>>basv at sara.nl>>>>>>>>>>>>>>>> _______________________________________________
>>>> mauiusers mailing list
>>>>mauiusers at supercluster.org>>>>http://www.supercluster.org/mailman/listinfo/mauiusers>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>> _______________________________________________
>>> mauiusers mailing list
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>> mauiusers mailing list
>>mauiusers at supercluster.org>>http://www.supercluster.org/mailman/listinfo/mauiusers>> --
> Bas van der Vlies
>basv at sara.nl>>>